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                Graph                </h1>
                <p>时间限制：10s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：256MB</p>			</div>
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                                <h3>题目描述</h3><p><div>给出一张n个点的有向图G(V,E)。对于任意两个点u,v(u可以等于v)，u向v的连边数为：</div>
<div>&sum;OUT(u,i) * IN(v,i),其中1&lt;=i&lt;=K</div>
<div>其中k和数组out,in均已知，现在给出m个询问，每次询问给出三个参数u,v,d，你需要回答从节点</div>
<div>u出发，经过不超过d条边到达节点v的路径有多少种。答案模10^9+7。</div>
<div></div>
<p></p></p><hr/><h3>输入格式</h3><p><div>第一行两个整数n,k。</div>
<div>接下来n行，第i行有2k个整数，前k个整数描述outi，后k个数描述ini。</div>
<div>接下来一行一个整数m。</div>
<div>接下来m行，每行三个整数u,v,d(0&lt;=d&lt;2^31)，描述一组询问。</div>
<div></div>
<p></p></p><hr/><h3>输出格式</h3><p><div>对于每个询问，输出一行一个整数，描述答案。</div>
<div></div>
<p></p></p><hr/><h3>样例输入</h3><pre>5 2
2 5 4 3
7 9 2 4
0 1 5 2
6 3 9 2
2147483647 1000000001 233522788488
10
1 1 0
2 2 1
2 4 5
4 3 10
3 4 50
1 5 1000</pre><hr/><h3>样例输出</h3><pre>1
51
170107227
271772358
34562176
890241289</pre><hr/><h3>提示</h3><p><div>1&lt;=N&lt;=1000</div>
<div>1&lt;=K&lt;=20</div>
<div>1&lt;=M&lt;=50</div>
<p></p></p><hr/><h3>题目来源</h3><p>没有写明来源</p>
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